The application relates to the technical field of a high-leg chair frame for children, a high-leg chair frame for children, which comprises two arc-shaped plates, support legs are fixedly installed on the lower ends of the arc-shaped plates, threaded holes two are formed in the lower ends of the support legs, rubber pads are arranged below the support legs, threaded columns are fixedly installed on the upper ends of the rubber pads, the threaded columns are in threaded connection with the threaded holes two, inclined plates are fixedly installed at one end of the arc-shaped plates, a plurality of threaded holes one are formed in one side of the inclined plates, a foot pad is arranged between the two inclined plates, connecting plates are fixedly installed on the two sides of the foot pad, fixed bolts penetrate through the front ends of the connecting plates, the fixed bolts are in threaded connection with the threaded holes one, guide rods are arranged between the two arc-shaped plates, threaded rods are fixedly installed on the two sides of the guide rods, and threaded holes three are formed in one side of the arc-shaped plates; the high-leg chair frame for children is convenient to assemble and disassemble.